<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>步骤条</title>
    <link rel="stylesheet" href="./02.css">
</head>

<body>
    <div id="app">
        <div class="steps">
            <div class="steps_item active">
                <span>1</span>
                <div class="line"></div>
            </div>
            <div class="steps_item">
                <span>2</span>
                <div class="line"></div>
            </div>
            <div class="steps_item">
                <span>3</span>
                <div class="line"></div>
            </div>
            <div class="steps_item">
                <span>4</span>
                <div class="line"></div>
            </div>
        </div>

        <div class="btns">
            <div class="btn prev disable">Prev</div>
            <div class="btn next">Next</div>
            <div class="btn add">Add</div>
        </div>
    </div>
</body>
<script src="./02.js"></script>

</html>